In ΔXYZ, what is the length of YZ ?

(1) The length of XY is 3.

(2) The length of XZ is 5.


Statement (1) ALONE is sufficient, but statement (2) alone is not sufficient.

Statement (2) ALONE is sufficient, but statement (1) alone is not sufficient.

BOTH statements TOGETHER are sufficient, but NEITHER statement ALONE is sufficient.

EACH statement ALONE is sufficient.

Statements (1) and (2) TOGETHER are NOT sufficient.

考题讲解

题目分析:

题目并没有给出三角形具体是什么三角形,所以,即使给出条件1和条件2的三角形两条边,也无法求得第三条边的长度。

因此,本题答案为(E),两个条件结合起来也不能解题,必须提供新数据。

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